1. Diamond drilling can routinely achieve depths in excess of 1200 m.2. The shop mainly makes artificial diamond drilling tools for the mining and oil industry. 3. Diamond drilling had already proved persistence of the ore to a depth of 305m.4. A total of 6, 974 metres of diamond drilling was completed in 65 holes. 5. Diamond drilling has remained essentially unchanged since its inception.6. The mining region was spearheaded by Murray Pezim in 1987 with diamond drilling and underground mining established. 7. Underground diamond drilling amounted to } }. 8. In 1941, } } of diamond drilling was completed under the supervision of R . A . Percy. 9. Porcupine Gold Mines is currently engaged in a surface diamond drilling program on the previous Hollinger and McIntyre properties. 10. Nimsick worked at diamond drilling and dairy farming; he later worked for Cominco for 40 years, retiring in 1968.
